LangChain (Deep Agents)

pnpm add @struktoai/mirage-agents @struktoai/mirage-node deepagents @langchain/anthropic

import { MountMode, OpsRegistry, RAMResource, Workspace } from '@struktoai/mirage-node'
import { ChatAnthropic } from '@langchain/anthropic'
import { createDeepAgent } from 'deepagents'
import {
  LangchainWorkspace,
  buildSystemPrompt,
  extractText,
} from '@struktoai/mirage-agents/langchain'

const ram = new RAMResource()
const ops = new OpsRegistry()
for (const op of ram.ops()) ops.register(op)
const ws = new Workspace({ '/': ram }, { mode: MountMode.WRITE, ops })

const agent = createDeepAgent({
  model: new ChatAnthropic({ model: 'claude-sonnet-4-6' }),
  systemPrompt: buildSystemPrompt({
    mountInfo: { '/': 'In-memory filesystem (read/write)' },
  }),
  backend: new LangchainWorkspace(ws),
})

const result = await agent.invoke({
  messages: [{ role: 'user', content: 'Create /report.md and summarize.' }],
})
for (const text of extractText(result.messages.slice(-1))) {
  console.log(text)
}